Valve mechanism.



N. WHITESELL.

nus necumsn.

Jan 1916.

3 suns-sun man- F. N. WHITESELL.

VALVE IEOI'IAIIISI.

APPIJCAI'IOI FILED nus. a. um.

1,166,956. v Patented Jan. 4,1916.

3 SHEETS-SHEET 3.

: specification.

UNITED STATES PATENT OFFICE.

FREDERICK N. W'HITESELL, OF CHICAGO, ILLINOIS, ASSIGNOB TO SHEFFIELD CA B COMPANY, OF THREE mm, MICHIGAN.

VALVE Specifimfion of Iatent.

Patented Jan. 4, 1916.

Application and August a, 1914. Serial no. 854,653.

Toall'wkomitmayconcem:'

Be it known that Fnmmncx N. W ng's- SELL, a citizen of the mted mates, at Chicago, Illinois, have invented certain new and useful Improvements Valve fOHOWlDgdS-j of which the invention relates to improvements in valvemechanisuis' My improved valve is p lrhcr. ularly dwigned by me for use in stand pipes for locomotives and Ihave shown thesame embodied in a structure of this type,-.although aertain features thereof are adapted and desirable for use in other relations.

The main objects of this invention are: First, to provide an improved valve 7 by which water maybe delivered under pressure in large volumes, and onein which water hammer is effectively prevented.

Second, to provide an improved valve for locomotivestand pipes and the like embody-.

iug these improvements which is and simple in structure and not likely toget out of repair. to provide-animproved valve mechanism embodying. th se advantages which is simple and easy to opcrate.

Further objects; and objects structural details, will definitely appear from the detailed to follow.-

I accomplishthe-ob ectsof-m'y invention I by the devicesand means descnbedin the following tion.

The invention is clearly defined and pointed out in the A structure which is a preferred embodiment of my invention is clearly'illustrated.

in the accompanying drawing forming I part of this specification, in which:

Figure I is a detail side elevation of a stand pipe structure the features ofmy invention, a housing for the; valve mechanism being shown m conventional form. Fig. 11 is an enlarged detail view. partially in vertical longitudinal central throughtheyalve. Fig, III is a crow aline corresponding-to line 3-3 of Figs. II'andIV. Fig. IV is a detail longitudinal section on a a line correliue of Fig. III, showing of" piston and exhaust valve.

m v is an enlarged detail horizontal sectlonon-a hne corresponding to line 5-5 of I charge 4 which is connected to the stand pipe column 5. The 1 is provided with 'asuitable base 6, and-in is commonly placed underground, preferably in aconcrete housing, as 7. The valve cas- 1ng ls provided with a valve seat 8 for the main valve )9 which closes toward the inlet 2. the valve'seat 8 is a cylinder 10 .for the piston 11. The piston is connected to the main valve barrel-portion 12; as shown inFig. H. The main valve has a 14 which is retained by the ring 14', the for the ring not The barrel portion 12 is provided with a cylinder supply passage 15," thebarrel-portion being preferably holl'ow; or tubular as shown.- The main valve,9-is provided with'a" chamber 13 open to the casing inlet 2. The-barrel portion 12 is provided with a projection or extension 16' pro ecting forwardly into the chamber On this projection I mounta tubular ortsleeve-like auxiliary valve 17, which coacts with the seat 18 supported centrally, of

the valve seat 8 by a mitable cros pas port19. The valve 17 is held yieldmgly forward by the coiled spring 20, which is mounted on the valve and engages a flange! '21 thereon-.1 The extension 16 is provided a valve seat 22 at its forward end for the control valve on the stem 27. which is disposed the valve 17. The piston 11 is provided with exhaust ports 24through which the water from the cylinder escapes to the discharge of the valve casing when the valves 25 are open. These Valves 25 are carried-by a cross head 26 on the stem 27. The forward of thevalve 17 is controlled by tappets 28, which are in the the seating of said main valve, said auxil-- iary valve being provided with a bypas, an adjusting valve for said b vpass, a control valve for said cylinder supply passage coacting with said control va ve seat, a stem therefor arranged through said mam valve barrel, and an exhaust valve mounted on said control valve stem to coact with said exhaust port, said exhaust valve being opened by the closing of the control valve and vice. versa.

The combination of a valve casing provided with a main valve seat and an auxiliary valve seat disposed centrally of the main valve seat, a cylinder, a piston having an exhaust port therein, a main valve having a chamber therein open to the casing inlet, a barrel connecting said main valve and piston having a cylinder supplv passage therein and provided with an extension projecting into said chamber in said main valve, said extension having a control valve seat therein, a tubular auxiliary valve slidably mounted on said extension and adapted to seat on said auxiliary valve seat prior to the s ating of said main valve, said aun'liary valve being provided with a by-pass, a control valve for said cylinder supply passage coacting with said control valve seat, a stem therefor arranged through said main valve barrel, and an exhaust valve mounted on said control valve stem to coact with said exhaust port, said exhaust valve being opened by the closing of the control valve and vice versa.

5. The combination of a main valve, :1.

cylinder, a piston an exhaust port therein, a barrel connecting said main valve and piSlen having a cylinder supply pasage therein, and an extension having a control seat therein, a tubular auxiliary valve slidably mounted on said extension, said-auxiliary valve being provided with a by-pass, an adjusting valve for said by-pass, a spring yieldmgly supporting said auxiliary valve, a tappet for said auxiliary valve carried by to permit said auxiliary valve to seat prior to the seating of said main valve, a control valve for said cylinder supply pasage coacting with said control valve seat a stem therefor arranged through said maiii valve barrel, and an'exhaust valve mounted on said control valve stem to coact with said exhaust port said exhaust valve being opened by the closing of the control valve and vice versa.

6. The combination of a main valve, a

cylinder, a piston having an exhaust port therein, a barrel connecting said main valve and piston having a cylinder supply passage therein, and an extension having a control valve seat therein, a tubular auxiliary valve 'slidably mounted on said extension, said auxiliary valve provided with a by-pass, a spring yielding y supporting said auxiliary valve, a tappet for said auxiliary valve carried by said main valve and disposed to permit said auxiliary valve to seat prior to the seating of said main valve, a control valve for said cylinder supply passage coacting with said control valve seat, a stem therefor arranged through said main valve barrel, and an exhaust valve mounted on said control valve stem to coact with said exhaust port, said exhaust valve being opened by the closing of the control valve and vice versa. 7. The combination of a main valve, a cylinder, a piston connected thereto, connections for delivering water to said cylinder comprising a tubular auxiliary valve slidably mounted on the main valve, a spring yieldingly supporting said auxiliary valve, a tappet for said auxiliary valve carried by said valve and adapted to permit the auxiliary valve to seat prior to the seating of the main valve, a by-pass for said auxiliary valve, a control valve disposed within said auxiliary valve to control the delivery of water to said cylinder, a stem for said control valve, and an exhaust valve for said cylinder carried by said stem.

8. The combinatlon of a main valve, a cylinder, a piston connected thereto, connections for delive water to said cylinder, comprising a tl llifiar auxiliary valve, and adapted to seat prior to the seating of the main valve, a by-pas for said auxiliary valve, a control valve di within said auxiliary valve to contro the delivery of water to said cylinder, a stem for said control valve, and an exhaust valve for said cylinder carried by said stem.

9. The combination of a main valve, a cylinder, a piston connected to said main valve, connections for delivering water to mid cylinder comprising an auxiliary valve movably mounted on said main valve, a spring acting on said auxiliary valve for holdi it yie dingly forward whereby it is adapte to seat pnor to the seating of the main valve, a by-pass for said auxiliary valve, a control valve disposed in said delivery connections, an exhaust valve for said cylinder, and operating connections for said control and exhaust valves whereby the exhaust valve is opened on the closing of the control valve and vice verse.

. 10. The combination of a main valve, :1 livery connecfions, and an exhaust valve for cylinder-,'t a piston connected to said main said cylinder. valve, for delivering water to In 'wimess whereof," I have hereunto setsaid cylinder. comprising an auxiliary valve my hand and sea1 in the presence of two 5 movably lpounted'. (in said main valve, a wltnesses.

spnng. on said auxiliary valve for holding it yieldingly forward-whereby ibis FREDERICK P- -1 adapted-t0 seatprior to the.seatingof th Witnwses:

valve, a lay-pas for: said auxiliary -G. E. 'hslomrson,

10 valve, 11- control valve disposedin saidde-' Geo. W. LEWIS.

.fllis cents. each, by addressing the commissioner of Patents, v 1L0. 

